Computer system enclosure



FIG. 1 is a perspective view taken from the top front and right side of a computer system enclosure showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a computer system enclosure, as shown and described. 